1) NPK fertilizer experiment
氮磷钾肥料试验
3) NPK
氮磷钾肥
1.
The result indicated that N had the most effect on the yield of hot cluster red pepper in NPK and there was obvious interaction between N and P.
采用三元二次正交旋转组合设计方法,研究了氮磷钾肥对天鹰椒型干辣椒产量的影响,建立了相应的回归方程。
2.
By means of orthogonal tyrotational combination design,a three-factor(NPK)substrate cultivation experiment was conducted on N P K content for soilless culture of Malus domestica Winter Red Fruit ,and the regressive equation was estab- lishad between the application level of N P K and chlorophyll content in leaf and anthocyanin content in fruit.
采用三元二次回归正交设计方法,研究了冬红果无土栽培营养液中氮磷钾肥对叶片叶绿素含量及果实花青素含量的影响,建立了相应的回归方程。
4) nitrogen and potassium fertilizers
氮钾肥料
5) NPK fertilizers
氮磷钾化肥
1.
The field experiment on effect of spent mushroom compost applied with NPK fertilizers on the growth of cowpea showed that the combination of spent mushroom compost with NPK fertilizers extreme significantly increased the yield of cowpea by 362.
在高明市采用大田试验方法,研究了蘑菇渣与氮磷钾化肥配合施用对豇豆生长的效应。
补充资料：铵磷钾肥
铵磷钾肥是用磷酸铵、硫酸铵和硫酸钾铵不同比例混合而成，养分含量有12-24-12(s)，10-20-15(s)，10-30-10(s)等多种，是三元氮磷钾混合肥料。现在也有在尿素磷铵或氯铵磷酸铵或氯铵普钙的混合物中再加氯化钾制成单氯或双氯的三元氮磷钾混合肥料，因为含氯，不用在烟草等氯敏感作物上。
铵磷钾肥的物理性状良好，易溶于水，易被作物吸收利用。它以作基肥为主，也可作早期追肥。不含氯的混合肥料，目前主要用在一些忌氯作物上，施用时可根据需要选择其中一种适宜的养分比例或在追肥时用单质氮肥进行调节。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条